# NTSB investigations: Classic WACO YMF: Loss of control - on ground/water

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB NYC06LA134](https://openairdocs.org/ntsb/NYC06LA134.md): Classic Waco YMF · Hagerstown, MD · Accident · No injuries · Limited investigation · Final report · May 30, 2006 · N369AS · Substantial damage
  > The pilot's failure to maintain directional control during takeoff.
- [NTSB LAX05CA052](https://openairdocs.org/ntsb/LAX05CA052.md): Classic Waco YMF · Santa Barbara, CA · Accident · No injuries · Data collection · Final report · Dec 13, 2004 · N95JD · Substantial damage
  > The pilot's inadequate compensation for the wind conditions and failure to maintain directional control during landing rollout, which resulted in a ground loop.
- [NTSB NYC04CA190](https://openairdocs.org/ntsb/NYC04CA190.md): Classic Waco YMF · Bar Harbor, ME · Accident · Serious injuries · Data collection · Final report · Aug 9, 2004 · N723SR · Substantial damage
  > The pilot's inadequate compensation for wind conditions. A factor was the crosswind.
- [NTSB MIA04CA034](https://openairdocs.org/ntsb/MIA04CA034.md): Waco 4MF 5 · Marathon, FL · Accident · No injuries · Data collection · Final report · Dec 17, 2003 · N64JE · Substantial damage
  > The pilot's loss of directional control during landing rollout in a crosswind resulting in the airplane ground looping and incurring damage to the left wing.
- [NTSB CHI97LA170](https://openairdocs.org/ntsb/CHI97LA170.md): Waco YMF · Longville, MN · Accident · No injuries · Limited investigation · Final report · Jun 14, 1997 · N820MM · Substantial damage
  > failure of the pilot to maintain directional control of the airplane. Factors relating to the accident were: the gusty wind condition and the ditch.
- [NTSB NYC97LA110](https://openairdocs.org/ntsb/NYC97LA110.md): Waco YMF · Ocean City, MD · Accident · No injuries · Limited investigation · Final report · Jun 8, 1997 · N34SK · Substantial damage
  > The pilot's failure to maintain directional control and his improper compensation for the wind conditions. Contributing factors were the lack of recent experience in the airplane, and gusty wind conditions.
- [NTSB CHI94LA192](https://openairdocs.org/ntsb/CHI94LA192.md): Classic YMF-5 · Noblesville, IN · Accident · No injuries · Limited investigation · Final report · May 28, 1994 · N527MN · Substantial damage
  > the pilot's excessive use of brakes. Factors related to the accident were the crosswind and the pilot's inadequate compensation for the wind conditions.
- [NTSB CHI91LA277](https://openairdocs.org/ntsb/CHI91LA277.md): Classic YMF5 · Hart, MI · Accident · No injuries · Limited investigation · Final report · Aug 29, 1991 · N64JE · Substantial damage
  > Failure of the pilot to maintain directional control of the airplane during a takeoff ground run.
- [NTSB MIA90LA098](https://openairdocs.org/ntsb/MIA90LA098.md): Waco YMF-5 · Marathon, FL · Accident · Minor injuries · Limited investigation · Final report · Mar 31, 1990 · N89B · Substantial damage
  > Failure of the pilot to maintain directional control during takeoff, which resulted in an inadvertent ground swerve. Factors related to the accident were: the crosswind, the pilot's excessive compensation for the wind condition, and his lack of experience in…
- [NTSB MIA90IA020](https://openairdocs.org/ntsb/MIA90IA020.md): Classic YMF-5 · Marathon, FL · Incident · No injuries · Incident investigation · Final report · Oct 31, 1989 · N89B · Minor damage
  > The pilot's incorrect elevator control while taxiing with a quartering tailwind. Contributing to the incident was the tailwind condition.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('2240101')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 260))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=2240101&occurrence=260

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.